CN108401213A - The electroacoustic unit of vibrating diaphragm is driven using memory alloy wire - Google Patents
The electroacoustic unit of vibrating diaphragm is driven using memory alloy wire Download PDFInfo
- Publication number
- CN108401213A CN108401213A CN201810294490.9A CN201810294490A CN108401213A CN 108401213 A CN108401213 A CN 108401213A CN 201810294490 A CN201810294490 A CN 201810294490A CN 108401213 A CN108401213 A CN 108401213A
- Authority
- CN
- China
- Prior art keywords
- vibrating diaphragm
- alloy wire
- holder
- memory alloy
- metal film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910001285 shape-memory alloy Inorganic materials 0.000 title claims abstract description 35
- 229910052751 metal Inorganic materials 0.000 claims abstract description 32
- 239000002184 metal Substances 0.000 claims abstract description 32
- 238000009434 installation Methods 0.000 claims description 13
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 241000218202 Coptis Species 0.000 description 1
- 235000002991 Coptis groenlandica Nutrition 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2207/00—Details of diaphragms or cones for electromechanical transducers or their suspension covered by H04R7/00 but not provided for in H04R7/00 or in H04R2307/00
- H04R2207/021—Diaphragm extensions, not necessarily integrally formed, e.g. skirts, rims, flanges
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
A kind of electroacoustic unit driving vibrating diaphragm using memory alloy wire comprising holder, Supporting cover, vibrating diaphragm, conductive metal film and memory alloy wire；The vibrating diaphragm includes rigid vibrating diaphragm and the elastic vibrating diaphragm that is connected on rigid vibrating diaphragm neighboring；The outer side edges edge of the elasticity vibrating diaphragm is installed on the holder；The conductive metal film is assembled on conductive metal film in holder；Described memory alloy wire one end is connected on conductive metal film, and the other end extends and is connected in the Supporting cover along the medial surface of rigid vibrating diaphragm.When Supporting cover is connected to the telecommunications that conductive metal film is formed, elastic vibrating diaphragm start is shunk and driven to the wire body of memory alloy wire, and air is pushed to transmit sound.The present invention replaces traditional voice coil and magnet to drive vibrating diaphragm by the way that memory alloy wire is arranged, and to can not only reduce cost, and can reduce the excessive exploitation of exotic material, effectively reduce load of the product to environment.It is highly practical, there is stronger dissemination.
Description
Technical field
The present invention relates to electroacoustic techniques field more particularly to a kind of electroacoustic units driving vibrating diaphragm using memory alloy wire.
Background technology
Traditional electroacoustic unit has generally included voice coil, magnet and vibrating diaphragm, and the driving principle of electroacoustic unit is voice coil and magnetic
Iron phase mutual induction simultaneously drives vibrating diaphragm that air is pushed to make a sound.Magnet generally use neodymium-iron-boron used in existing electroacoustic unit
Iron, ndfeb magnet are that the permanent magnet with most strong magnetic force, the main raw material(s) for producing ndfeb magnet have rare earth golden at present
Belong to neodymium, rare earth metal praseodymium, pure iron, aluminium, ferro-boron and other rare earths materials.However, in the finite ring of existing natural resources
Under border, the raw materials for production of ndfeb magnet are increasingly deficient, and the cost of raw material also sharp rises.Demand of the electroacoustic unit to magnet
The load of natural environment is not only increased, and greatly increases the production cost of electroacoustic unit.
Invention content
For this purpose, the purpose of the present invention is to provide a kind of electroacoustic unit driving vibrating diaphragm using memory alloy wire, to solve
The use of magnet increases asking for natural environment load during current electroacoustic cellular manufacture cost is higher and higher and electroacoustic unit
Topic.
To achieve the above object, the present invention mainly use following technical scheme for：
A kind of electroacoustic unit driving vibrating diaphragm using memory alloy wire comprising holder, Supporting cover, vibrating diaphragm, conductive metal
Film and memory alloy wire；The vibrating diaphragm includes rigid vibrating diaphragm and the elastic vibrating diaphragm that is connected on rigid vibrating diaphragm neighboring；It is described
The outer side edges edge of elastic vibrating diaphragm is installed on the holder；The conductive metal film is assembled on memory alloy wire in holder；
The memory alloy wire is equipped with the first installation end, the first fixed part, the second fixed part and the second installation end, first installation
End is connected on the conductive metal film, and first fixed part is fixed on the corresponding rigid vibrating diaphragm bottom surface of side opening, and described the
Two fixed parts are set in the middle part of the corresponding rigid vibrating diaphragm bottom surface of Supporting cover, and second installation end is installed in the Supporting cover；
Memory alloy wire between first fixed part and the second fixed part is worn to be extended along rigid vibrating diaphragm medial surface；When Supporting cover and conduction
When the telecommunications connection that metal film is formed, elastic vibrating diaphragm start is shunk and driven to the wire body of memory alloy wire, pushes air transmission sound
Sound.
Further, the holder is equipped with upper and lower perforative centre bore and side opening, the Supporting cover are installed in centre bore
Interior, the conductive metal film is installed in side opening.
Further, the Supporting cover includes main part and the edge department for being set to main part outboard peripheries, the support
Lid main part is placed in centre bore, and edge department fits on the lateral surface of holder.
Further, the conductive metal film includes body part and the mounting portion for being set to all edges on the outside of body part, described
Body part is placed in side opening, and the mounting portion fits on the lateral surface of holder.
Further, the interconnecting piece that the rigid vibrating diaphragm includes central part and is set on central part neighboring, it is described
Elastic vibrating diaphragm includes lug boss and the extension for being set to the outer both sides of lug boss；Extension on the outside of elastic vibrating diaphragm is connected to holder
On, the extension of inside is connected on the interconnecting piece.
Further, the holder side opening corresponds to the interconnecting piece setting of rigid vibrating diaphragm, and the carriage center hole corresponds to
The central part of rigid vibrating diaphragm is arranged.
Further, the elastic vibrating diaphragm includes lug boss and the extension for being set to the outer both sides of lug boss；The elasticity
The medial extension of vibrating diaphragm is connected on the interconnecting piece of rigid vibrating diaphragm；The medial extension of the elasticity vibrating diaphragm fits in rigidity and shakes
On the upper surface of film interconnecting piece.
In conclusion the present invention's passes through setting memory alloy wire, rigid vibrating diaphragm, elastic vibrating diaphragm, conductive metal film and branch
Support lid, the elasticity vibrating diaphragm are connected on the neighboring of rigid vibrating diaphragm；Described memory alloy wire one end is connected to conductive metal
It on film, and is fixed on rigid vibrating diaphragm medial surface, the other end is connected in Supporting cover；When Supporting cover and conductive metal film connect electricity
When signal, the wire body of memory alloy wire is shunk, and to drive elastic vibrating diaphragm start, and then air is pushed to transmit sound.The present invention
Replace traditional voice coil and magnet to drive vibrating diaphragm by the way that memory alloy wire is arranged, to can not only reduce cost, and can reduce
The excessive exploitation of exotic material, effectively reduces load of the product to environment.It is highly practical, there is stronger dissemination.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment for the electroacoustic unit that this practicality drives vibrating diaphragm using memory alloy wire.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.
As shown in Figure 1, the present invention provides a kind of electroacoustic unit driving vibrating diaphragm using memory alloy wire, it is described using memory
The electroacoustic unit of alloy wire driving vibrating diaphragm includes holder 10, Supporting cover 20, vibrating diaphragm, conductive metal film 50 and memory alloy wire 60,
The vibrating diaphragm is installed on holder 10, and the Supporting cover 20 and conductive metal film 50 are assembled in holder 10, and the memory is closed
60 self-conductive metal film 50 of gold thread is extended to along vibrating diaphragm inner surface in Supporting cover 20.
The holder 10 is equipped with centre bore 11 and several side openings 12, and the centre bore 11 is set to 10 center of holder
And running through holder 10 up and down, the side opening 12 is set on the holder 10 in 11 outside of centre bore and runs through holder 10 up and down.It is described
Supporting cover 20 includes main part 21 and the edge department 22 for being set to 21 outboard peripheries of main part, and the main part 21 is in the ball of evagination
Planar is arranged, and the edge department 22 is in horizontally disposed.The Supporting cover 20 is installed in centre bore 11 from 11 lower section of carriage center hole
It is interior, and 20 main part 21 of Supporting cover is placed in the centre bore 11, holder edge department 22 fits in the bottom surface of the holder 10
On.
The conductive metal film 50 includes body part (figure is not marked) and the mounting portion 51 for being set to all edges on the outside of body part, institute
It states body part in the dome shape of evagination to be arranged, the mounting portion 51 is in horizontally disposed.The conductive metal film 50 is from 10 bottom of holder
Face direction is installed in the side opening 12, and the body part is placed in the side opening 12, and the mounting portion 51 fits in holder
In 10 outside bottom surface.
The vibrating diaphragm includes rigid vibrating diaphragm 40 and the elastic vibrating diaphragm 30 that is set on 40 neighboring of rigid vibrating diaphragm.It is described rigid
Property vibrating diaphragm 40 include central part 41 and the interconnecting piece 42 that is set on 41 neighboring of central part, the central part 41 is in evagination
Dome shape is arranged, and the interconnecting piece 42 is in horizontally disposed.The elasticity vibrating diaphragm 30 is including lug boss 31 and is set to lug boss 31
The extension 32 of outer both sides.The medial extension 32 of the elasticity vibrating diaphragm 30 is connected on the interconnecting piece 42 of rigid vibrating diaphragm 40, this
In embodiment, the medial extension 32 of the elasticity vibrating diaphragm 30 fits on the upper surface of 40 interconnecting piece 42 of rigid vibrating diaphragm.It is described
The lateral extension 32 of elastic vibrating diaphragm 30 is fixed on the holder 10.In addition, the holder side opening 12 corresponds to rigid vibrating diaphragm
40 interconnecting piece 42 is arranged, and the central part 41 that the carriage center hole 11 corresponds to rigid vibrating diaphragm 40 is arranged.
60 one end of the memory alloy wire is connected on conductive metal film 50, and what the other end passed through states side opening 12 and along rigidity
The medial surface of vibrating diaphragm 40 extends, and is finally arranged in the Supporting cover 20.Specifically, the memory alloy wire 60 is equipped with first
Installation end 61, the first fixed part 62, the second fixed part 63 and the second installation end 64, first installation end 61 are fixed on described lead
On electric metal film 50, second installation end 64 is fixed in the Supporting cover 20.First fixed part 62 is set to conduction
On 40 bottom surface of rigid vibrating diaphragm right over metal film 50, second fixed part 63 is fixed on 40 bottom surface medium position of rigid vibrating diaphragm
On.In the present embodiment, first fixed part 62 is set on the bottom surface of 30 junction of rigid vibrating diaphragm 40 and elastic vibrating diaphragm, described
Second fixed part 63, which is arranged, to be located at the second installation end 64 on same vertical line, between the first fixed part 62 and the second fixed part 63
Memory alloy wire 60 along rigid vibrating diaphragm 40 medial surface be extended.Connect when Supporting cover 20 and conductive metal film 50 form signal
When logical, the wire body of memory alloy wire 60 is shunk, and to drive 30 start of elastic vibrating diaphragm, and then air is pushed to transmit sound.
In conclusion the present invention's passes through setting memory alloy wire, rigid vibrating diaphragm, elastic vibrating diaphragm, conductive metal film and branch
Support lid, the elasticity vibrating diaphragm are connected on the neighboring of rigid vibrating diaphragm；Described memory alloy wire one end is connected to conductive metal
It on film, and is fixed on rigid vibrating diaphragm medial surface, the other end is connected in Supporting cover；When Supporting cover and conductive metal film connect electricity
When signal, the wire body of memory alloy wire is shunk, and to drive elastic vibrating diaphragm start, and then air is pushed to transmit sound.The present invention
Replace traditional voice coil and magnet to drive vibrating diaphragm by the way that memory alloy wire is arranged, to can not only reduce cost, and can reduce
The excessive exploitation of exotic material, effectively reduces load of the product to environment.It is highly practical, there is stronger dissemination.
The foregoing is merely preferable one embodiment of the present invention, are not intended to limit the invention, all in this hair
All any modification, equivalent and improvement etc., should be included in protection scope of the present invention made by within bright spirit and principle
Within.
Claims (6)
1. a kind of electroacoustic unit driving vibrating diaphragm using memory alloy wire, it is characterised in that：Including holder, Supporting cover, vibrating diaphragm, lead
Electric metal film and memory alloy wire；The vibrating diaphragm includes rigid vibrating diaphragm and the elastic vibrating that is connected on rigid vibrating diaphragm neighboring
The outer side edges edge of film, the elasticity vibrating diaphragm is installed on holder；The conductive metal film is assembled on the holder with Supporting cover
It is interior；The memory alloy wire includes the first installation end for being set to both ends, the second installation end and is set to the first solid of middle part
Determine portion, the second fixation；First installation end is installed on the conductive metal film, and first fixed part is fixed on rigidity and shakes
On film medial surface, second fixed part is set in the middle part of the medial surface of rigid vibrating diaphragm, and second installation end is installed in described
In Supporting cover；Memory alloy wire between first fixed part and the second fixed part is extended along rigid vibrating diaphragm medial surface；Work as branch
When support lid forms electric signal communication with conductive metal film, the wire body of memory alloy wire shrinks and drives elastic vibrating diaphragm start to push
Air transmits sound.
2. the electroacoustic unit as described in claim 1 using note alloy wire driving vibrating diaphragm, it is characterised in that：It is set on the holder
Perforative centre bore and side opening, the Supporting cover are installed in centre bore above and below having, and the conductive metal film is installed in side opening.
3. the electroacoustic unit as claimed in claim 2 using note alloy wire driving vibrating diaphragm, it is characterised in that：The Supporting cover packet
It includes main part and is set to the edge department of main part outboard peripheries, the Supporting cover main part is placed in centre bore, edge department
It fits on the lateral surface of holder.
4. the electroacoustic unit as claimed in claim 2 using note alloy wire driving vibrating diaphragm, it is characterised in that：The conductive metal
Film includes body part and the mounting portion for being set to all edges on the outside of body part, and the body part is placed in side opening, the mounting portion
It fits on the lateral surface of holder.
5. the electroacoustic unit as claimed in claim 2 using note alloy wire driving vibrating diaphragm, it is characterised in that：The rigidity vibrating diaphragm
Including central part and the interconnecting piece being set on central part neighboring, the elasticity vibrating diaphragm includes lug boss and is set to protrusion
The extension of both sides outside portion；Extension on the outside of elastic vibrating diaphragm is connected on holder, and the extension of inside is connected to the connection
In portion.
6. the electroacoustic unit as claimed in claim 4 using note alloy wire driving vibrating diaphragm, it is characterised in that：The holder side opening
Corresponding to the interconnecting piece setting of rigid vibrating diaphragm, the carriage center hole corresponds to the central part setting of rigid vibrating diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810294490.9A CN108401213B (en) | 2018-03-30 | 2018-03-30 | Electroacoustic unit using memory alloy wire to drive vibrating diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810294490.9A CN108401213B (en) | 2018-03-30 | 2018-03-30 | Electroacoustic unit using memory alloy wire to drive vibrating diaphragm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108401213A true CN108401213A (en) | 2018-08-14 |
| CN108401213B CN108401213B (en) | 2024-03-01 |
Family
ID=63099634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810294490.9A Active CN108401213B (en) | 2018-03-30 | 2018-03-30 | Electroacoustic unit using memory alloy wire to drive vibrating diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108401213B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6563934B1 (en) * | 2000-04-17 | 2003-05-13 | Motorola, Inc. | Mechanically tunable diaphragm using nickel titanium memory metal |
| JP2007104634A (en) * | 2005-01-28 | 2007-04-19 | Matsushita Electric Ind Co Ltd | Electrokinetic electro-acoustic converter and electronic device |
| JP2007150523A (en) * | 2005-11-25 | 2007-06-14 | Yamaha Corp | Speaker |
| CN101536548A (en) * | 2007-01-22 | 2009-09-16 | 索尼爱立信移动通讯股份有限公司 | Gm global tech operations inc [us] |
| JP2011239159A (en) * | 2010-05-10 | 2011-11-24 | Nec Corp | Electroacoustic transducer |
| CN207995373U (en) * | 2018-03-30 | 2018-10-19 | 东莞涌韵音膜有限公司 | The electroacoustic unit of vibrating diaphragm is driven using memory alloy wire |
-
2018
- 2018-03-30 CN CN201810294490.9A patent/CN108401213B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6563934B1 (en) * | 2000-04-17 | 2003-05-13 | Motorola, Inc. | Mechanically tunable diaphragm using nickel titanium memory metal |
| JP2007104634A (en) * | 2005-01-28 | 2007-04-19 | Matsushita Electric Ind Co Ltd | Electrokinetic electro-acoustic converter and electronic device |
| JP2007150523A (en) * | 2005-11-25 | 2007-06-14 | Yamaha Corp | Speaker |
| CN101536548A (en) * | 2007-01-22 | 2009-09-16 | 索尼爱立信移动通讯股份有限公司 | Gm global tech operations inc [us] |
| JP2011239159A (en) * | 2010-05-10 | 2011-11-24 | Nec Corp | Electroacoustic transducer |
| CN207995373U (en) * | 2018-03-30 | 2018-10-19 | 东莞涌韵音膜有限公司 | The electroacoustic unit of vibrating diaphragm is driven using memory alloy wire |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108401213B (en) | 2024-03-01 |
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